Product Description&colon;Face mask Outer ear-loop welding machine weld the ear-loop with elasitc band to the sides of mask blank with ultrasonic technology&comma; then finished the whole processing of outside mask blank&comma; need only one operator to put the mask body into the conveyor plates &comma; the remaining will be made by the machine automatically&comma; the productivity of this machine will be higher than other hand manual ear-loop welding machines&period;